Fourth LTS (Long Term Support) release of Ubuntu, code-named Precise Pangolin. Released on 26th April, 2012. Only use this tag if your question is version-specific.

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wlan0: deauthenticated from <ip6> (Reason: 2)

Previous questions on that topic didn't really help, therefore a new one. Problem Every time I try to connect to the wifi, I get automatically "deauthenticated" (reason: 2) Theories on the web ...
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1answer
364 views

How to install Microsoft Silverlight on Mozilla Firefox browser in an easiest and reliable way that runs on ubuntu 12.04 LTS 64-bit operating system?

I am using ubuntu 12.04 LTS 64-bit OS on my system. I am using Mozilla Firefox 37.0(**Mozilla Firefox for Ubuntu canonical - 1.0)** and Google Chrome(Version 41.0.2272.118 (64-bit)) browsers on my ...
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1answer
45 views

Low resolution after upgrading from 12.04 to 14.04

I was running 12.04 LTS and clicked on Upgrade to 14.04 LTS. My screen now shows only a white window in the middle of the screen saying: The system is running in low-graphics mode Your screen ...
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13 views

Why are these ruby gems pre-installed on Precise32?

I'm getting started with provisioning a development VM for developing web apps. To do this, I'm using Vagrant. Vagrant allows you to use a base "box" (virtual machine disk image?) that contains an ...
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2answers
132 views

How to install ffmpeg on ubuntu? [duplicate]

For transcoding video I need to use ffmpeg. I have tried to install but I have faced with problems. Is anyone that can help with this case or can anyone offer any weblink or guide where I can follow ...
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1answer
121 views

Is it possible to use two external monitors for my Thinkpad T440p using a Lenovo Ultra Dock?

I have a T440p and using it with two external monitors connected through VGA and Mini-Displayport (one vertical, the other horizontal, both 1920*1080) and not using the laptop display itself. I also ...
0
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1answer
34 views

Ubuntu server 12.04 (Openstack) Installation

i need help regarding build a private cloud using Ubuntu server 12.04. I have 3 pc with following configuration 1-Ram - 4 gb 2-Processor - Intel i5 3470 @3.20 Ghz 3-Network Card - Intel(R) 82579LM ...
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28 views

Breaking down bandwidth usage by device

I'm trying to get on top of Wireshark but I still find it very daunting. Hopefully you good folks might be able to help me. I have a little home network with a fairly basic topology. It consists of a ...
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1answer
47 views

how install stack package nxt_python in ROS FUERTE? ubuntu 12.04

i have the following problem, i have installed ROS FUERTE in my pc with ubuntu 12.04 l decided choose ROSE FUERTE because was the only that works with ubuntu 12,04 i tried to installed ROS ELECTRIC, ...
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1answer
24 views

Ubuntu one error while syncing

I have purchase new laptop from Dell with ubuntu 12.04 preinstalled. while connecting to Ubuntu One following occurs and I am not able to sync with Ubuntu One. WebClientErr u'Error downloading ...
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1answer
53 views

How to install Hadoop on Ubuntu 12.04 32-bit?

I want to install hadoop on my Asus laptop running Ubuntu 12.04. When I tried to format the new File system, at that time I got an error 1. $ hadoop namenode -format or 2. $ hdfs namenode ...
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30 views

Ubuntu crashing too often

right some little days, I bought a dedicated server (physically, I mean), then, installed Ubuntu 12.04 LTS. All working well (well as it can be taking in mind that it's running in a simple house, ...
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2answers
57 views

Ubuntu 14.04 seems to have failed to upgrade from 12.04

I recently attempted to update to Ubuntu 14.04 from Ubuntu 12.04. Everything seemed to work without error until it restarted. When the computer fired back up, I was greeted with the following message ...
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1answer
40 views

How to upgrade python in ubuntu 14.04 LTS?

I'm using python Please take a look at this SCREENSHOT. But it is old version. So, I've downloaded a new version of source code for Python. But it's giving an error while compilation. Please help me ...
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0answers
61 views

Using a webcam with an odroid XU3

I am new to ubuntu having to use it for a project, i have an odroid XU3 running Ubuntu 12.04 and i am having issues with getting an input from a logitech webcam. Having looked around a few forums I ...
0
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1answer
25 views

How do I remove nginx?

I have some problems with nginx configuration. I found the problem and I need to uninstall it. I used the commands apt-get remove nginx and apt-get purge nginx But the nginx is still ...
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1answer
1k views

libudev.so.1 not found when trying to run spotify

I am trying to run Spotify on Ubuntu 12.04. It used to work some time ago, when I tried to start it today, I got the following error: spotify: error while loading shared libraries: libudev.so.1: ...
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13 views

how to setup a dual-screen setup with a Acer travelmate 230 and a Dell e173FP on 12.04 xubuntu

I recently got a Dell e173fp monitor and I was trying to make a dual-screen setup with an acer travelmate 230 laptop and I try arandr but I get a error. XRandR failed: XRandR returned error code 1: ...
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0answers
14 views

12.04 — ruby1.8 missing dependencies

I just built a new 12.04 ubuntu box and tried to install puppet package. This failed because it could not load ruby1.8. After some fiddling around I tracked the issue down to the fact that the ...
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0answers
4 views

HEP latex package in 14.04

I want to write some particle name in latex. The standard notation for the particle does not working in my tex studio. How I add the HEP package???
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1answer
74 views

can't ping any site from my ubuntu server [closed]

I already installed Ubuntu server 12.04 in Virtual Box, and set a static IP, but I can't ping major sites such as google.com, but when I change the server to DHCP I can connect. However, I need static ...
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0answers
19 views

volume range levels on laptop

I have a dell latitude e6420 laptop. The problem is I have to raise volume up to 30% to hear something, but with windows 7, only 1% to barely hear, which is good, but with ubuntu even 100% is low ...
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2answers
130 views

Enable WiFi on Ubuntu 12.04 Lenovo Thinkpad E440

I have Lenovo Thinkpad E440. Just now I installed Ubuntu 12.04 LTS. Problem is Wifi is not enabled on this Ubuntu, only wired internet is enabled. So please help me how to enable Wifi on this ...
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1answer
113 views

Installing Ubuntu 14.04.2 LTS Issues

I am trying to instal Ubuntu 14.04.2 LTS from a USB however I am having issues. Hardware; Dell Optiplex 160GB WD HD 6GB RAM Intel core 2 duo 64 bit I had Ubuntu 12.0.4 installed until ...
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31 views

How to connect USB touch screen with Ubuntu

I want to connect USB touch screen with ubuntu 12.04 desktop. Is there any device which can be used easily in ubuntu. The word Easaily can be that it can be used without any additional device driver ...
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28 views

Catastrophic GUI breakdown and feezing

I'm experiencing catastrophic GUI breakdowns and freezing with my Ubuntu machine. It also randomly freezes but the time it takes from booting to freezing is different everytime. Observation so far ...
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1answer
32 views

How to access sda4 device/directory?

Our camera DVR is not recording anymore. The disk is full and the vendor has not been helpful in freeing up space. I am trying to figure out why the primary disk is full. I've tried accessing it ...
0
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1answer
35 views

Unknown file system, unable to boot from live cd

Facts are, I used to have a dual boot linux and windows 7. Tried to make grub handle bootloader, messed it up, nothing works now. I get grub rescue right from the off. No way I can boot into any ...
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1answer
162 views

Error for wireless request “Set Frequency” (8B04) :

I have setup a monitoring interface using: sudo airmon-ng start wlan0 channel 11 sudo iwconfig wlan0 IEEE 802.11bgn ESSID:"" Mode:Managed Frequency:2.437 GHz Access Point: ...
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3answers
56 views

How to hide administrator account or root in Login screen? [duplicate]

I used Ubuntu 12.04 and I want to only user account appear on the Login screen without guest and administrator account. My administrator account cannot view to everybody when their Login. ...
0
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1answer
36 views

custom-keybindings not found

When I tried to list the available custom keybindings using gsettings command gsettings get org.gnome.settings-daemon.plugins.media-keys custom-keybindings I got the error message saying, No such ...
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17 views

Cannot read USB device in Ubuntu 12.04

My Flash drive cannot read (without light) to my computer.
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2answers
30 views

“No root system defined” while installing ubuntu on Virtual box

i continuously get the error "No root System defined" in the last installation step and it asks for partitioning but under the condition of erasing everything on the disk !!!
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10 views

Gray dekstop after update XFCE on Xubuntu 12.04

After upgrade XFCE my desktop is totally grey and icons dissapeared. I found a solution: sudo apt-get install xfdesktop4 But : The following packages have unmet dependencies: xfdesktop4 : Depends: ...
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2answers
70 views

Unable to find Remote Desktop icon in System->Preferences

I've been using Ubuntu 12.04 for around 8 months, but I have a question that probably a "newbie" should be asking. I'm unable to find the "remote desktop" icon that is generally accessible from ...
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0answers
19 views

ELmer 7 installation in Ubuntu 12.04

I've been working with Elmer Multi-physics for a little while in Ubuntu 12.04. I've installed through the software center. I thought it would be neat to get a newer version so I followed the ...
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1answer
37 views

How to setup jenkins in a ubuntu 12.04 machine?

I have a machine in production which is running Ubuntu 12.04. I need to setup Jenkins on it. I was trying to follow this tutorial - ...
1
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1answer
66 views

Unable to Install Ubuntu alongside Windows 7 (Legacy BIOS)

I am trying to install Ubuntu 12 / 14.04 (x86 & x64) alongside Windows 7. I have a bootable USB stick and when I try to install Ubuntu there is no alongside Window` option neither the Windows ...
1
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1answer
69 views

How should I give access to a PHP script on a local host-only server?

I have a 14.02 LTS client and server VM connected using host-only and DHCP. Connectivity between them has been achieved and I can ping each machine from the other. I have LAMP installed and I'm ...
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0answers
26 views

Is there an ftp management tool that is not based on PHP?

I am looking for an ftp tool GUI that makes it easier for some low-tech users to add/delete FTP accounts restricted to certain folders. Currently I am doing this by hand in my vsftpd.conf but I am ...
2
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1answer
25 views

Is there a way to know which application is producing sound(audio output) in ubuntu, through code?

I want to write a code which detects the applications that are producing sound
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1answer
66 views

No ethernet connection only wifi

I'm providing some of the terminal tests I done for a Dell latitude D520 with Ubuntu 12.04. Please any help will be appreciated. PCI: lspci 02:00.0 Ethernet controller: Broadcom Corporation ...
0
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1answer
40 views

Sublime Text does not launch under gksudo

Sublime Text does not launch under gksudo. If I start it directly sudo subl it works, but gksudo subl fails. Also, how can I get a list of programs that can run from terminal straight away ...
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0answers
75 views

Problems in setting up OpenVZ server with Vesta Control Panel

I am trying to install VestaCP on Ubuntu 12.04 LTS. At first the installation process got terminated due to the webalizer corrupt package. Then I edited the vestacp installation script and removed ...
0
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1answer
30 views

Can not install Ubuntu after manually deleting partition

Since I had some problems with my Ubuntu 12.04.1 In a dual boot system with Windows 7 on Acer 5560G, I had to manually delete the partition containing Ubuntu. Then I used windows recovery CD to rescue ...
0
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1answer
160 views

Can't find ttyUSB in /dev after connecting my USB dongle

I'm desperately trying to connect a 3G dongle to Ubuntu 12.04. Unfortunately every time I try to connect (using wvdial) I'm met with the message Cannot open /dev/ttyUSB0: No such file or directory I ...
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2answers
29 views

rsync delete files from target if not existing in source

Okay so I have looked up the existing answers here and elsewhere but what I can't find out is, if I use the --ignore-existing option along with the --delete option, will this combination I still be ...
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1answer
45 views

How to change permission to the users on ubuntu 12.04?

How to change permission to the users to restrict their accessibility? I want to cannot see or cannot access the System Files, Devices and Network in home folder? I used ubuntu 12.04 Thanks, Jerrick ...
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2answers
18 views

Installed version 12.04 and it worls. Do I really need a new version…?

I was unable to install 14.04 and need not receive assistance with solving it; there, I was able to install 12.04. But, I was advised to install 14.01/14.10. Do I really need to install a newer ...
0
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1answer
16 views

How to use CD in way similar to a usb like you can Windows

I'm currently using Lubuntu but this seems to happen in other Distros as well. I can't copy files onto a CD without burning it, however in Windows you can use a CD in a similar way to USB where you ...